Metal Roof Recoating

Metal roofs require that you address different factors than rubber or asphalt based roofs.

Metal roof recoating.

By doing this the additional load of the new roof is transferred to the structure as opposed to the existing metal panel. Metal roofs are for flat low slope and pitched roofs. All metal roofs expand and contract as the substrate heats or cools causing strain where the overlapped metal sheets are fastened. Also when a metal roof coating is pealing or there is surface rust re coating a roof will increase its longevity by increasing its corrosion resistance says michael endredi project engineer at the garland co cleveland.

If a rusty roof exists a rust primer must be applied prior to the roof coating. Metal aluminum coating. You can apply almost any type of coating to a metal roof. Sta kool 805 metal x is a tough white elastomeric roof coating that is formulated for exceptional bonding strength to metal roof surfaces.

On badly deteriorated or extremely rusty metal surfaces we suggest applying blue max at the rate of 1 gallon. Re coating a roof is a less costly option than re roofing for scenarios where the roof still functions but lacks the appeal it once had and is in danger of corroding. Eventually the seams overlaps and fasteners will begin to pull away from each other allowing moisture to penetrate beneath the roof. However all painted metal roofs have one downside in common and that is that they have to be repainted periodically.

Armor metal roof coating is specifically designed and guaranteed for 12 years to stop and prevent your metal roof from leaking. Elastomeric roof coatings typically have a higher level of aesthetic appeal than an aluminum roof coating. This high performance product also contains rust inhibitors which provide long term protection to metal surfaces. For a pitched metal roof expect to spend between 1 50 to 3 per square foot on labor.

Regardless of the coating used the coating protects the sealing materials and extends the life of the metal roof. Before you dive head long into painting your metal roof you need to determine what type of metal it is because although it may appear to be galvanized it may in fact be what is known as terne metal. Seam tape all seams joints cracks splits and transitions around vent pipes air conditioning units and areas. You can also use oil based alkyd paint but.

Depending on the pitch of the roof the coats are applied in thinner layers. Painted metal roofs come with a baked on factory finish and you can re coat these as well as paint bare metal roofing with acrylic latex paint. Terne roofing was made by producing the. Finish with maximum stretch at the.

Metal x expands and contracts with the roof s movement to resist cracking and peeling.